docker-script

docker-clean.sh

#!/usr/bin/env bash
set -euo pipefail

VERSION="1.1.0"
SCRIPT_NAME="docker-clean"
SCRIPT_URL="https://gist.githubusercontent.com/broisnischal/4e8c5a7430e7a47eb7d5855762f471da/raw/docker-clean.sh"

# Colors
RED="\033[0;31m"
GREEN="\033[0;32m"
YELLOW="\033[1;33m"
BLUE="\033[0;34m"
NC="\033[0m"

skip_prompt=false
dry_run=false

show_help() {
  cat <<EOF
${SCRIPT_NAME} - Remove Docker resources safely

Usage: ${SCRIPT_NAME} [OPTIONS]
Options:
  -y, --yes         Skip confirmation prompts
  -h, --help        Show this help message
  -v, --version     Show version
      --update      Update to latest version
      --dry-run     Show what will be removed without actually removing
  -f, --force       Force skip prompts & proceed

Examples:
  ${SCRIPT_NAME} -y
  ${SCRIPT_NAME} --dry-run
EOF
  exit 0
}

show_version() {
  echo "${SCRIPT_NAME} v${VERSION}"
  exit 0
}

update_script() {
  echo -e "${BLUE}Updating ${SCRIPT_NAME}...${NC}"
  curl -sL "$SCRIPT_URL" -o "$0"
  chmod +x "$0"
  echo -e "${GREEN}Update complete.${NC}"
  exit 0
}

confirm() {
  local message="$1"
  if [ "$skip_prompt" = true ]; then
    return 0
  fi
  read -p "$message [y/N]: " response
  case "$response" in
    [yY][eE][sS]|[yY]) return 0 ;;
    *) return 1 ;;
  esac
}

docker_action() {
  local description="$1"
  local cmd="$2"
  if $dry_run; then
    echo -e "${YELLOW}[Dry Run]${NC} $description: $cmd"
  else
    eval "$cmd"
  fi
}

# Parse args
for arg in "$@"; do
  case $arg in
    -y|--yes) skip_prompt=true ;;
    -f|--force) skip_prompt=true ;;
    --dry-run) dry_run=true ;;
    -h|--help) show_help ;;
    -v|--version) show_version ;;
    --update) update_script ;;
    *) echo "Unknown option: $arg"; show_help ;;
  esac
done

echo -e "${BLUE}=== Docker Cleanup Tool v${VERSION} ===${NC}"

# Stop all running containers
if confirm "Stop all running containers?"; then
  docker_action "Stopping containers" "docker container stop \$(docker container ls -q) 2>/dev/null || true"
fi

# Remove all containers
if confirm "Remove all containers?"; then
  docker_action "Removing containers" "docker container rm -f \$(docker container ls -a -q) 2>/dev/null || true"
fi

# Remove all images
if confirm "Remove all images?"; then
  docker_action "Removing images" "docker image rm -f \$(docker image ls -a -q) 2>/dev/null || true"
fi

# Remove all volumes
if confirm "Remove all volumes?"; then
  docker_action "Removing volumes" "docker volume rm -f \$(docker volume ls -q) 2>/dev/null || true"
fi

# Remove all custom networks
if confirm "Remove all custom networks?"; then
  docker_action "Removing networks" "docker network rm \$(docker network ls -q | grep -vE 'bridge|host|none') 2>/dev/null || true"
fi

# Prune everything
if confirm "Prune system (remove unused data)?"; then
  docker_action "Pruning system" "docker system prune -a -f --volumes"
fi

echo -e "${GREEN}Docker cleanup completed!${NC}"